The present invention relates to a multi-function detection of signals, and intended to detect the electrical signals circulating in a perimeter delimiting a working zone of a robot for soil treatment device (1), characterized in that it takes the form of a portable tool to handle, for handling by a user, the means (s) of the receiver (3, 3 ′) being mounted (s) at the level of the lower end of the handle, in that it comprises various means (4, 4 ′) of treatment and for the evaluation of functional signals circulating in the peripheral wire, which are similar to those of the different types of robots may be used with the system of the peripheral wire which is installed, and in that the conditions of reception of therapy and assessed by the device (1) of the signals emitted by the peripheral wire are similar to those encountered by the robot designed to be implemented.